1 //===----------------------------------------------------------------------===// 2 // 3 // The LLVM Compiler Infrastructure 4 // 5 // This file is dual licensed under the MIT and the University of Illinois Open 6 // Source Licenses. See LICENSE.TXT for details. 7 // 8 //===----------------------------------------------------------------------===// 9 10 // UNSUPPORTED: c++98, c++03 11 12 // <experimental/filesystem> 13 14 // enum class copy_options; 15 16 #include <experimental/filesystem> 17 #include <type_traits> 18 #include <cassert> 19 20 #include "check_bitmask_types.hpp" 21 #include "test_macros.h" 22 23 namespace fs = std::experimental::filesystem; 24 25 constexpr fs::copy_options ME(int val) { return static_cast<fs::copy_options>(val); } 26 27 int main() { 28 typedef fs::copy_options E; 29 static_assert(std::is_enum<E>::value, ""); 30 31 // Check that E is a scoped enum by checking for conversions. 32 typedef std::underlying_type<E>::type UT; 33 static_assert(!std::is_convertible<E, UT>::value, ""); 34 35 static_assert(std::is_same<UT, unsigned short>::value, ""); // Implementation detail 36 37 typedef check_bitmask_type<E, E::skip_existing, E::update_existing> BitmaskTester; 38 assert(BitmaskTester::check()); 39 40 static_assert( 41 E::none == ME(0), 42 "Expected enumeration values do not match"); 43 // Option group for copy_file 44 static_assert( 45 E::skip_existing == ME(1) && 46 E::overwrite_existing == ME(2) && 47 E::update_existing == ME(4), 48 "Expected enumeration values do not match"); 49 // Option group for copy on directories 50 static_assert( 51 E::recursive == ME(8), 52 "Expected enumeration values do not match"); 53 // Option group for copy on symlinks 54 static_assert( 55 E::copy_symlinks == ME(16) && 56 E::skip_symlinks == ME(32), 57 "Expected enumeration values do not match"); 58 // Option group for changing form of copy 59 static_assert( 60 E::directories_only == ME(64) && 61 E::create_symlinks == ME(128) && 62 E::create_hard_links == ME(256), 63 "Expected enumeration values do not match"); 64 } 65